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Troubleshooting
Beforeyou call for service . . .
If you are having an operating problem, check the chart to see what the cause might be before you call for assistance. PROBLEM Unit won�t run.
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CHECK IF Power cord is plugged into a live circuit with proper voltage. Fuse has blown or circuit breaker has tripped. Also, check if a time-delay fuse has been used. System Control is set to OFF. Local power has failed. Time-delay fuse being used is of correct capacity. An extension cord is being used. Cooling circuit was turned off and on again quickly. Filter is dirty. Inside evaporator coils and outside condenser coils are dirty. There is excessive heat or moisture in room.
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WHAT TO DO Firmly plug power cord into electrical outlet. Check circuit voltage at fuse/circuit breaker box. Replace fuse with a time-delay fuse of the correct capacity. Reset circuit breaker. Set System Control to another setting. Wait for power to be restored. Replace fuse with a time-delay fuse of the correct capacity. Do not use an extension cord with this or any other appliance. Wait at least 3 minutes after turning cooling circuit off before trying to restart unit. Clean filter. (See page 5.) Clean coils. (See page 6.) Use exhaust fans to reduce room heat, or set Exhaust Control to CLOSED to reduce moisture. Set System Control to a higher setting. Set Thermostat Control to a higher number.
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Unit blows fuses or trips circuit breaker.
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Unit turns on and off, or does not cool room.
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Fan speed is too low. Thermostat setting is too low.
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Normal operating sounds . . .
When your room air conditioner is operating normally, you will hear sounds such as: l Droplets of water hitting the condenser, causing a �pinging� or �clicking� sound. Water droplets help to cool the condenser. l Air movement from the fan, especially on HI COOL setting. l �Clicks� from the cooling cycle. Sounds also may be caused by house construction - such as vibration of the unit due to wall construction or unsteady window mounting area.
